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scriptc/tests
Chris Tate 015cc47ff2 Capture island locals in closures, load islands in import order, and narrow SC1010
Three fixes.

A function-local island handle read inside a closure, such as an island
array spread in an arrow (`() => [...local]`), resolved to the enclosing
function's binding without registering a capture, so the closure referred to
a local it does not have (SC9001). The handle is now read through
resolveLocal after its binding is retyped checked-dynamic, which captures
it like any other local.

A static island import or re-export loaded the island module in the
importer's %init prelude, after every native dependency the file imports.
A native module imported after the island package therefore evaluated
first, which reverses Node's dependency order. The load now runs in its
statement's place among the dependencies' %init calls. An island statement
the import order leaves out keeps the prelude's place.

Tests: 6897-node-island-declared-arrays gains closures that read, measure
and spread a function-local island array. node-island-import-order checks
evaluation order when an island re-export precedes a native import, and
when an island import sits between two native imports.

The SC1010 refusal of an import or re-export that resolves to type
declarations now applies only when the declaration has no runtime file
beside it (x.js for x.d.ts, x.mjs for x.d.mts, x.cjs for x.d.cts). A
relative import of `./node_modules/dependency/index.js` names a module
Node loads, and keeps its previous SC2013. The noUnusedLocals test reaches
its declaration file through a type-only re-export, since a runtime import
of a declaration-only file is now refused, as Node fails to load it.
2026-10-30 00:46:57 -05:00
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